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Finding the Fourth Proportional to 266,178.65, 367,321.72 and 151,454.81

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Solution

The fourth proportional to 266,178.65, 367,321.72 and 151,454.81 is: 209,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,178.65 : 367,321.72 = 151,454.81 : x
  2. Step 2: Convert to fraction form
    266,178.65/367,321.72 = 151,454.81/x
  3. Step 3: Cross multiply
    266,178.65x = 367,321.72 × 151,454.81
  4. Step 4: Simplify right side
    266,178.65x = 55,632,638,717.59
  5. Step 5: Solve for x
    x = 55,632,638,717.59/266,178.65
  6. Step 6: Final answer
    x = 209,004.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.